package com.atguigu.gulimall.search.sercvice.impl;

import com.alibaba.fastjson.JSON;
import com.atguigu.common.to.es.SkuEsModel;
import com.atguigu.gulimall.search.config.GulimallElasticSearchConfig;
import com.atguigu.gulimall.search.constant.EsConstant;
import com.atguigu.gulimall.search.sercvice.ProductSaveService;
import lombok.extern.slf4j.Slf4j;
import org.elasticsearch.action.bulk.BulkRequest;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.xcontent.XContentType;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

/**
 * @Author: fd
 * @Date 2021/7/2 17:16
 * @Description:
 */
@Service
@Slf4j
public class ProductSaveServiceImpl implements ProductSaveService {

	@Autowired
	RestHighLevelClient restHighLevelClient;

	@Override
	public boolean productStatusUp(List<SkuEsModel> skuEsModels) throws IOException {
		// 保存到es
		// 1.给es中建立索引，product，建议映射关系

		// 2.给es中保存这些数据
		// BulkRequest bulkRequest, RequestOptions options
		BulkRequest bulkRequest = new BulkRequest();
		for (SkuEsModel skuEsModel : skuEsModels) {
			// 1.构造保存请求
			IndexRequest indexRequest = new IndexRequest(EsConstant.PRODUCT_INDEX);
			indexRequest.id(skuEsModel.getSkuId().toString());
			String s = JSON.toJSONString(skuEsModel);
			indexRequest.source(s, XContentType.JSON);
			bulkRequest.add(indexRequest);
		}

		BulkResponse bulk = restHighLevelClient.bulk(bulkRequest, GulimallElasticSearchConfig.COMMON_OPTIONS);
		// TODO 如果批量错误
		boolean hasFailures = bulk.hasFailures();

		List<String> collect = Arrays.asList(bulk.getItems()).stream().map(item -> {
			return item.getId();
		}).collect(Collectors.toList());

		log.info("商品上架完成：{}",collect);

		return hasFailures;
	}

}
